/*
 * Copyright 2020-2024 Typelevel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cats.effect.std

import scala.scalajs.js

private[std] trait DispatcherPlatform[F[_]] { this: Dispatcher[F] =>

  /**
   * Submits an effect to be executed, returning a `Promise` that holds the result of its
   * evaluation.
   */
  def unsafeToPromise[A](fa: F[A]): js.Promise[A] =
    new js.Promise[A]((resolve, reject) =>
      unsafeRunAsync(fa) {
        case Left(js.JavaScriptException(e)) =>
          reject(e)
          ()

        case Left(e) =>
          reject(e)
          ()

        case Right(value) =>
          resolve(value)
          ()
      })
}
